Microporous Film Laminate Coverall, Type PB-4B Chemical Isolation Gown, heavy duty with stitched seams provides a high liquid protection and dust barrier. One piece disposable isolation gown, round collar, opening at back, knitted cuffs, ties at waist and neck, heat taped seams. Ideal for handling cytostatic and various laboratory activities. Knitted cuff for better comfort. Openness in the back closure for increased ergonomics of the wearer.